Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 09-04-1997 and time 19:46:29 (UTC) in region 4 km W Sassinoro (BN)

A magnitude Md 2.0 earthquake occured in region: 4 km W Sassinoro (BN), on

  • 09-04-1997 19:46:29 (UTC)
  • 09-04-1997 21:46:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3710, 14.6190 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassinoro BN 4 618 618
Sepino CB 4 1964 2582
Morcone BN 5 4932 7514
Pietraroja BN 6 545 8059
Guardiaregia CB 10 801 8860
San Giuliano del Sannio CB 10 1029 9889
Santa Croce del Sannio BN 10 927 10816
Cusano Mutri BN 10 4091 14907
Cercepiccola CB 11 681 15588
Cerreto Sannita BN 11 3940 19528
Pontelandolfo BN 11 2167 21695
San Lorenzello BN 12 2227 23922
San Lupo BN 12 801 24723
Guardia Sanframondi BN 13 5078 29801
Campochiaro CB 13 646 30447
Campolattaro BN 13 1072 31519
Cercemaggiore CB 13 3777 35296
San Lorenzo Maggiore BN 13 2154 37450
Casalduni BN 14 1378 38828
Vinchiaturo CB 14 3324 42152
San Polo Matese CB 14 470 42622
Faicchio BN 15 3634 46256
Circello BN 16 2388 48644
Castelpagano BN 16 1483 50127
Castelvenere BN 16 2562 52689
Gioia Sannitica CE 17 3638 56327
Mirabello Sannitico CB 17 2180 58507
Bojano CB 18 8058 66565
Colle d'Anchise CB 18 807 67372
Colle Sannita BN 18 2431 69803
Baranello CB 18 2673 72476
San Salvatore Telesino BN 18 3999 76475
Telese Terme BN 18 7486 83961
Fragneto Monforte BN 18 1840 85801
Ferrazzano CB 18 3344 89145
Ponte BN 19 2580 91725
Gildone CB 19 809 92534
Fragneto l'Abate BN 19 1049 93583
San Potito Sannitico CE 19 1925 95508
Reino BN 19 1210 96718
Paupisi BN 20 1633 98351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Benevento (60091 inhabitants)
41 Km NE of Caserta (76326 inhabitants)
52 Km NE of Acerra (59573 inhabitants)
53 Km N of Avellino (54857 inhabitants)
56 Km NE of Aversa (53047 inhabitants)
56 Km NE of Afragola (65057 inhabitants)
59 Km NE of Casoria (77642 inhabitants)
60 Km NE of Giugliano in Campania (122974 inhabitants)
64 Km NE of Marano di Napoli (59874 inhabitants)
65 Km NE of Portici (55274 inhabitants)
66 Km NE of Ercolano (53709 inhabitants)
67 Km NE of Napoli (974074 inhabitants)
68 Km NE of Torre del Greco (86275 inhabitants)
70 Km N of Scafati (50787 inhabitants)
73 Km W of San Severo (53905 inhabitants)
73 Km NE of Pozzuoli (81661 inhabitants)
75 Km N of Cava de' Tirreni (53659 inhabitants)
76 Km N of Castellammare di Stabia (66466 inhabitants)
78 Km N of Salerno (135261 inhabitants)
78 Km W of Foggia (151991 inhabitants)
90 Km NW of Battipaglia (50786 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		Md 2.0 1997-04-09
19:46:29		 41.371 14.619 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 265709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-09 19:46:29 ± 0.278
Latitude 41.3710 ± 0.0200
Longitude 14.6190 ± 0.0337
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 265709

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 3585.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00275
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 265709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:11:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-04-09T19:46:40.10 10.0 undecidable manual SG? 246 0.2886 -0.61 0
--.VTB1.Z. 1997-04-09T19:46:37.12 10.0 undecidable manual SG 177 0.1776 -0.15 0.7
--.RMI2.Z. 1997-04-09T19:46:36.21 10.0 undecidable manual PG 246 0.2886 0.36 1.1
--.DUI.Z. 1997-04-09T19:46:35.86 10.0 undecidable manual PG 337 0.3108 -0.37 1.1
--.SMB1.Z. 1997-04-09T19:46:34.99 10.0 undecidable manual SG 72 0.0666 1.05 0.1
--.PSB1.Z. 1997-04-09T19:46:34.14 10.0 undecidable manual PG 135 0.1998 -0.12 1.6
--.VTB1.Z. 1997-04-09T19:46:33.29 10.0 undecidable manual PG 177 0.1776 -0.63 0.9
--.SMB1.Z. 1997-04-09T19:46:31.23 10.0 positive manual PG 72 0.0666 -0.77 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download